1  /* Test whether the -Wcast-qual handles cv-qualified functions correctly.  */
       2  /* { dg-do compile } */
       3  /* { dg-options "-Wcast-qual" } */
       4  
       5  typedef int (intfn_t) (int);
       6  typedef void (voidfn_t) (void);
       7  
       8  typedef const intfn_t *constfn_t;
       9  typedef volatile voidfn_t *noreturnfn_t;
      10  
      11  intfn_t intfn;
      12  const intfn_t constfn;
      13  voidfn_t voidfn;
      14  volatile voidfn_t noreturnfn;
      15  
      16  intfn_t *i1 = intfn;
      17  intfn_t *i2 = (intfn_t *) intfn;
      18  intfn_t *i3 = constfn;
      19  intfn_t *i4 = (intfn_t *) constfn; /* { dg-bogus "discards qualifier" } */
      20  
      21  constfn_t p1 = intfn; /* { dg-warning "makes '__attribute__..const..' qualified function" } */
      22  constfn_t p2 = (constfn_t) intfn; /* { dg-warning "adds '__attribute__..const..' qualifier" } */
      23  constfn_t p3 = constfn;
      24  constfn_t p4 = (constfn_t) constfn;
      25  
      26  voidfn_t *v1 = voidfn;
      27  voidfn_t *v2 = (voidfn_t *) voidfn;
      28  voidfn_t *v3 = noreturnfn;
      29  voidfn_t *v4 = (voidfn_t *) noreturnfn; /* { dg-bogus "discards qualifier" } */
      30  
      31  noreturnfn_t n1 = voidfn; /* { dg-warning "makes '__attribute__..noreturn..' qualified function" } */
      32  noreturnfn_t n2 = (noreturnfn_t) voidfn; /* { dg-warning "adds '__attribute__..noreturn..' qualifier" } */
      33  noreturnfn_t n3 = noreturnfn;
      34  noreturnfn_t n4 = (noreturnfn_t) noreturnfn;